Asteras Tripolis
The Greek football club from the Peloponnese, Asteras Tripolis (literally "Star of Tripoli") was founded in 1931 and its club colours are blue and yellow. The capacity of the stadium named after the Greek national hero Theodoros Kolokotronis is 7,442 spectators. The club has also played the Europa League several times in the past, including the group stage in the autumn of 2014 and 2015 - in the latter case, it met Sparta Prague and also faced Tottenham and Schalke 04, for example.
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AEK Athens
The club, based in the Athens suburb of Nea Filadelfeia, is known to fans as Kitrinómavri ("yellow and black") or Dikéfalos Aetós ("two-headed eagles"). AEK Athens dates back to 1924 and plays at the Athens Olympic Stadium - capacity is 69,618 spectators. They are two-time winners of the 1997 and 1998 Cup Winners' Cup and are also the only Greek side to reach the semi-finals of the UEFA Cup, in the 1976/1977 season.
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